CN106113965A - A kind of alcohol-free fountain solution containing composite buffer system and preparation method thereof - Google Patents
A kind of alcohol-free fountain solution containing composite buffer system and preparation method thereof Download PDFInfo
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- CN106113965A CN106113965A CN201610500177.7A CN201610500177A CN106113965A CN 106113965 A CN106113965 A CN 106113965A CN 201610500177 A CN201610500177 A CN 201610500177A CN 106113965 A CN106113965 A CN 106113965A
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- Prior art keywords
- buffer system
- fountain solution
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- carrageenan
- tea polyphenols
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Jellies, Jams, And Syrups (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The present invention discloses a kind of alcohol-free fountain solution containing composite buffer system, it is made up of the raw material of following weight: deionized water 70 85 parts, κ carrageenan 10 15 parts, Konjac glucomannan 6 10 parts, tea polyphenols 36 parts, 25 parts of turkey red oil, sorbitol 13 parts, composite buffer system 36 parts, alkylphenol polyoxyethylene 13 parts, Span 12 parts.Compounding by κ carrageenan and Konjac glucomannan of fountain solution of the present invention, as hydrophilic film forming agents, improves the persistency of moisture film so that fountain solution of the present invention has good moistening, permeability in use；κ carrageenan Konjac glucomannan Microspheres of Tea Polyphenols has the characteristic that mean diameter is thin and tea polyphenols slowly discharges, and delays the release of tea polyphenols, makes the non-oxidizability of tea polyphenols be greatly improved, it is ensured that the stability of fountain solution use in the use of fountain solution；The present invention uses two kinds of buffer systems to compound the fountain solution obtained, and has the buffering tolerance performance of excellence, can be obviously improved print quality, improves printing efficiency.
Description
Technical field
The present invention relates to offset printing fountain solution technical field, be specifically related to a kind of alcohol-free profit containing composite buffer system
Version liquid and preparation method thereof.
Background technology
Offset printing is to utilize the two natural law that profit is the most miscible, solid is to the selective absorption of liquid,
The picture and text replicated and blank parts are set up jointly at the unified plate surface through technical finesse, makes blank parts have very
Strong water absorbing properties, areas oleophylic water repellent.In printing process, first whole forme is supplied water, make the blank parts of the space of a whole page
Adsorb water and form water membrane, subsequently, then give forme ink supply.Now, owing to forme blank parts has existed water membrane,
Ink can not adsorb in blank parts, areas water repellent oleophylic and adsorb one layer of ink.Therefore, fountain solution work in offset printing
With very important.
Non-ionic surface active fountain solution is the novel fountain solution grown up in recent years, is to use nonionic surfactant
Replace the low surface tension fountain solution of ethanol, it is to avoid the alcohol steam produced after isopropanol volatilization in traditional water dampening system, by
Low in nonionic surfactant surface tension, wettability good, can reduce the consumption of fountain solution, becomes high speed multicolour offset press
In preferable fountain solution.Therefore, research new non-ionic fountain solution has great significance to improving printing quality.
Kappa-carrageenan (κ-carrageenan) is by the natural sea algin extracted in red algae, has heat-convertible gel, resists
Albumen condenses and the hydrophilic characteristic such as nontoxic, also has formation hydrophilic colloid, gel, thickening, emulsifying, film forming, stable dispersion etc. excellent
Optimum energy, is widely used in food industry, daily chemical industry and the field such as biochemistry, medical research, thus carrageenan industry is rapidly
Development.The gel that kappa-carrageenan is formed has that desired concn is low, transparency advantages of higher, but exist gel fragility big, elastic little,
The problems such as easy syneresis, can solve these problems by the synergistic function with other foodstuff glues.Research shows,
After adding other polysaccharide in kappa-carrageenan, even non-gelled polysaccharide, its gelling properties also can be greatly improved.According to
The reports such as Phillips etc. and Williams, after carrageenan mixes with locust bean gum, it is elastic, strength and stability has significantly
Raising；Adding xanthan gum can make carrageenan more soft, more flexible and viscosity increase；Gelatin and the cogelled system of carrageenan
In, storage modulus increases along with carrageenan concentrations and increases, and it is cogelled with carrageenan that low concentration sodium chloride is conducive to improving gelatin
Matter structure.
Wei Yu, Wang Yuanlan, Hu Yunchu et al. report a kappa-carrageenan and Konjac glucomannan compound gel rheological property and
Study on Microstructure, the impact on compound gel rheological behavior such as examination shear rate, frequency of vibration and temperature.In Kappa-Carraginan
Add a certain amount of Konjac glucomannan (konjac gum), owing to Konjac glucomannan has higher retentiveness and stickiness, can be filled into smoothly
In the ordered network structure that kappa-carrageenan is formed, defined by intermolecular hydrogen bonding based on kappa-carrageenan network structure, evil spirit
Taro glue interts cross-linked network system therein, can form the resilient heat-convertible gel of tool, and the gel formed has required former
Material less, the feature such as big, the good springiness of gel strength.Compound gel preparation fountain solution hence with kappa-carrageenan with Konjac glucomannan has very
Big Research Prospects.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, it is provided that a kind of alcohol-free fountain solution containing composite buffer system
And preparation method thereof, ask in order to solve the environment that in now widely used alcohol edition-0 moistening liquid, ethanol and isopropanol volatilization cause
Topic.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of alcohol-free fountain solution containing composite buffer system, is made up of the raw material of following weight: deionized water 70-85
Part, kappa-carrageenan 10-15 part, Konjac glucomannan 6-10 part, tea polyphenols 3-6 part, turkey red oil 2-5 part, sorbitol 1-3 part, composite buffering
System 3-6 part, alkylphenol polyoxyethylene 1-3 part, Span 1-2 part；
Described composite buffer system contains 2 kinds of buffer systems, and one of which buffer system is by phosphoric acid and ammonium dihydrogen phosphate group
Become；Another kind of buffer system is made up of with potassium citrate, sodium citrate citric acid, and the percentage by weight of each component is: phosphoric acid
0.5-1 part, ammonium dihydrogen phosphate 0.5-1 part, citric acid 1-2 part, potassium citrate 0.5-1 part, sodium citrate 0.5-1 part.
Specifically comprise the following steps that
(1) preparation of kappa-carrageenan-Konjac glucomannan-Microspheres of Tea Polyphenols:
1., kappa-carrageenan, Konjac glucomannan and tea polyphenols are dissolved in deionized water standby as aqueous phase；
2., measuring turkey red oil, turkey red oil is 3-7:1 with the volume ratio of deionized water, is added thereto to sorbitol, fully dissolves also
Stir, standby as oil phase；
3., aqueous phase is added in oil phase, homogenizing 4-8 minute under the conditions of 16000-24000rmp, the microemulsion that then will obtain
Carry out oil-water separation with separatory funnel, take the aqueous solution after separation and carry out lyophilization, obtain kappa-carrageenan-Konjac glucomannan-tea many
Phenol microsphere；
(2) colloid micro ball of step (1), alkylphenol polyoxyethylene, Span are joined a part of deionization
In water, it is thoroughly mixed, prepares mixed solution；
(3) each component of composite buffer system being joined in remaining deionized water, be uniformly mixed, stirring 30-50 divides
Clock, is then added in the mixed solution of step (2), is sufficiently stirred for dispersion, i.e. prepares the alcohol-free damping containing composite buffer system
Liquid.
In described a kind of alcohol-free fountain solution containing composite buffer system, deionized water resistivity at 25 DEG C is
1018mΩ•cm。
A kind of alcohol-free fountain solution containing composite buffer system of the present invention compared with prior art has the advantage that
(1) compounding by kappa-carrageenan and Konjac glucomannan, both are defined by intermolecular hydrogen bonding with kappa-carrageenan network structure
Being main, Konjac glucomannan interts cross-linked network system therein, can form the resilient heat-convertible gel of tool, and it is as hydrophilic film forming
Agent, improves the persistency of moisture film so that fountain solution of the present invention has good moistening, permeability in use；
(2) kappa-carrageenan-Konjac glucomannan-Microspheres of Tea Polyphenols has the characteristic that mean diameter is thin and tea polyphenols slowly discharges, at damping
The use of liquid delays the release of tea polyphenols, makes the non-oxidizability of tea polyphenols be greatly improved, it is ensured that the stability that fountain solution uses；
(3) present invention uses two kinds of buffer systems to compound, and the pH value that can effectively regulate fountain solution controls to be wanted at fountain solution
Within the scope of asking, there is the buffering tolerance performance of excellence, print quality can be obviously improved, improve printing efficiency.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
A kind of alcohol-free fountain solution containing composite buffer system of the present embodiment, comprises following components and weight portion content: deionization
80 parts of water, kappa-carrageenan 12 parts, Konjac glucomannan 8 parts, tea polyphenols 4 parts, 3 parts of turkey red oil, sorbitol 2 parts, composite buffer system 4 parts,
Alkylphenol polyoxyethylene 2 parts, Span 2 parts；
Described composite buffer system contains 2 kinds of buffer systems, and one of which buffer system is by phosphoric acid and ammonium dihydrogen phosphate group
Become；Another kind of buffer system is made up of with potassium citrate, sodium citrate citric acid, and the percentage by weight of each component is: phosphatase 11
Part, ammonium dihydrogen phosphate 1 part, citric acid 1 part, potassium citrate 0.5 part, sodium citrate 0.5 part.
Wherein deionized water resistivity at 25 DEG C is 1018mΩ•cm。
Specifically comprise the following steps that
(1) preparation of kappa-carrageenan-Konjac glucomannan-Microspheres of Tea Polyphenols:
1., kappa-carrageenan, Konjac glucomannan and tea polyphenols are dissolved in deionized water standby as aqueous phase；
2., measuring turkey red oil, turkey red oil is 5:1 with the volume ratio of deionized water, is added thereto to sorbitol, fully dissolves and stir
Mix uniformly, standby as oil phase；
3., aqueous phase is added in oil phase, homogenizing 5 minutes under the conditions of 18000rmp, then the microemulsion separatory of acquisition is leaked
Bucket carries out oil-water separation, takes the aqueous solution after separation and carries out lyophilization, obtains kappa-carrageenan-Konjac glucomannan-Microspheres of Tea Polyphenols；
(2) colloid micro ball of step (1), alkylphenol polyoxyethylene, Span are joined a part of deionization
In water, it is thoroughly mixed, prepares mixed solution；
(3) each component of composite buffer system is joined in remaining deionized water, is uniformly mixed, stir 40 minutes,
It is then added in the mixed solution of step (2), is sufficiently stirred for dispersion, i.e. prepares the alcohol-free fountain solution containing composite buffer system.
Property indices data: pH value is 5.1, and conductivity is 1220 μ s/cm, and surface tension is 43mN/m, dynamically glues
Degree is 1.22cPs, water-pickup of ink ＜ 20% when being used for printing.
Claims (3)
1. the alcohol-free fountain solution containing composite buffer system, it is characterised in that be made up of the raw material of following weight:
Deionized water 70-85 part, kappa-carrageenan 10-15 part, Konjac glucomannan 6-10 part, tea polyphenols 3-6 part, turkey red oil 2-5 part, sorbitol 1-
3 parts, composite buffer system 3-6 part, alkylphenol polyoxyethylene 1-3 part, Span 1-2 part；
Described composite buffer system contains 2 kinds of buffer systems, and one of which buffer system is by phosphoric acid and ammonium dihydrogen phosphate group
Become；Another kind of buffer system is made up of with potassium citrate, sodium citrate citric acid, and the percentage by weight of each component is: phosphoric acid
0.5-1 part, ammonium dihydrogen phosphate 0.5-1 part, citric acid 1-2 part, potassium citrate 0.5-1 part, sodium citrate 0.5-1 part.
2. according to the preparation method of a kind of alcohol-free fountain solution containing composite buffer system described in claims 1, its feature
It is, specifically comprises the following steps that
(1) preparation of kappa-carrageenan-Konjac glucomannan-Microspheres of Tea Polyphenols:
1., kappa-carrageenan, Konjac glucomannan and tea polyphenols are dissolved in deionized water standby as aqueous phase；
2., measuring turkey red oil, turkey red oil is 3-7:1 with the volume ratio of deionized water, is added thereto to sorbitol, fully dissolves also
Stir, standby as oil phase；
3., aqueous phase is added in oil phase, homogenizing 4-8 minute under the conditions of 16000-24000rmp, the microemulsion that then will obtain
Carry out oil-water separation with separatory funnel, take the aqueous solution after separation and carry out lyophilization, obtain kappa-carrageenan-Konjac glucomannan-tea many
Phenol microsphere；
(2) colloid micro ball of step (1), alkylphenol polyoxyethylene, Span are joined a part of deionization
In water, it is thoroughly mixed, prepares mixed solution；
(3) each component of composite buffer system being joined in remaining deionized water, be uniformly mixed, stirring 30-50 divides
Clock, is then added in the mixed solution of step (2), is sufficiently stirred for dispersion, i.e. prepares the alcohol-free damping containing composite buffer system
Liquid.
3. according to a kind of alcohol-free fountain solution containing composite buffer system described in claims 1, it is characterised in that described
Deionized water resistivity at 25 DEG C is 1018mΩ•cm。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160889A (en) * | 2017-07-07 | 2017-09-15 | 合肥新意境材料有限责任公司 | A kind of low irritant fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107160888A (en) * | 2017-07-07 | 2017-09-15 | 合肥新意境材料有限责任公司 | A kind of green alcohol-free fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107199795A (en) * | 2017-07-07 | 2017-09-26 | 合肥新意境材料有限责任公司 | A kind of delicate fragrance type fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107310290A (en) * | 2017-07-07 | 2017-11-03 | 合肥新意境材料有限责任公司 | A kind of environmentally friendly fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107336538A (en) * | 2017-07-07 | 2017-11-10 | 合肥新意境材料有限责任公司 | A kind of corrosion-mitigation scale-inhibition fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107379806A (en) * | 2017-07-07 | 2017-11-24 | 合肥新意境材料有限责任公司 | A kind of low foam fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160889A (en) * | 2017-07-07 | 2017-09-15 | 合肥新意境材料有限责任公司 | A kind of low irritant fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107160888A (en) * | 2017-07-07 | 2017-09-15 | 合肥新意境材料有限责任公司 | A kind of green alcohol-free fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107199795A (en) * | 2017-07-07 | 2017-09-26 | 合肥新意境材料有限责任公司 | A kind of delicate fragrance type fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107310290A (en) * | 2017-07-07 | 2017-11-03 | 合肥新意境材料有限责任公司 | A kind of environmentally friendly fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107336538A (en) * | 2017-07-07 | 2017-11-10 | 合肥新意境材料有限责任公司 | A kind of corrosion-mitigation scale-inhibition fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
| CN107379806A (en) * | 2017-07-07 | 2017-11-24 | 合肥新意境材料有限责任公司 | A kind of low foam fountain solution of the konjac glucomannan of carragheen containing κ compounding and preparation method thereof |
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